:root {
  --ink: #171819;
  --muted: #6f7471;
  --paper: #f4f5f2;
  --card: #ffffff;
  --line: #dedfd9;
  --leaf: #34a853;
  --leaf-dark: #14783d;
  --mint: #e6f5e9;
  --warning: #f5aa25;
  --urgent: #e83f46;
  --blue: #4aa5e8;
  --violet: #8157c5;
  --shadow: 0 26px 70px rgba(20, 30, 24, 0.14);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(52, 168, 83, 0.12), transparent 28rem),
    radial-gradient(circle at 88% 4%, rgba(245, 170, 37, 0.15), transparent 24rem),
    var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(222, 223, 217, 0.72);
  background: rgba(244, 245, 242, 0.82);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.nav-cta {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 1.1rem;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  gap: 26px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-links a,
.nav-cta {
  text-decoration: none;
}

.nav-cta {
  justify-self: end;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(20, 30, 24, 0.08);
}

.section {
  padding: clamp(58px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 72px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--leaf-dark);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 22px;
  font-size: clamp(4.4rem, 10vw, 9.5rem);
  line-height: 0.82;
  letter-spacing: -0.095em;
  font-weight: 950;
}

h2 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 5.5vw, 5.6rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
  font-weight: 950;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.18rem;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.hero-text {
  max-width: 650px;
  color: #454946;
  font-size: clamp(1.1rem, 1.7vw, 1.38rem);
}

.hero-actions,
.signup {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button,
.signup button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0 22px;
  text-decoration: none;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.primary,
.signup button {
  background: var(--leaf);
  color: white;
  box-shadow: 0 18px 34px rgba(52, 168, 83, 0.26);
}

.secondary {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 690px;
  margin: 34px 0 0;
}

.proof-strip div {
  padding: 18px;
  border: 1px solid rgba(222, 223, 217, 0.86);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
}

.proof-strip dt {
  margin-bottom: 4px;
  font-size: 1.42rem;
  font-weight: 950;
  line-height: 1;
  letter-spacing: -0.05em;
}

.proof-strip dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
}

.phone-stack {
  position: relative;
  min-height: 700px;
}

.phone {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 10px solid #111;
  border-radius: 42px;
  background: #111;
  box-shadow: var(--shadow);
}

.phone img {
  width: 310px;
  height: 670px;
  object-fit: cover;
}

.phone-main {
  z-index: 2;
  top: 0;
  left: 7%;
  transform: rotate(-3deg);
}

.phone-back {
  z-index: 1;
  top: 82px;
  right: 0;
  opacity: 0.92;
  transform: rotate(5deg) scale(0.9);
}

.hero-note {
  position: absolute;
  right: 4%;
  bottom: 8%;
  z-index: 4;
  display: flex;
  max-width: 280px;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid rgba(222, 223, 217, 0.88);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 44px rgba(20, 30, 24, 0.14);
  color: #444945;
  font-weight: 800;
}

.pulse {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--urgent);
  box-shadow: 0 0 0 9px rgba(232, 63, 70, 0.12);
}

.check-flow {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}

.flow-grid,
.audience-cards,
.store-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.flow-grid article,
.audience-cards article,
.store-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 0 18px 46px rgba(20, 30, 24, 0.06);
}

.flow-grid article {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.flow-grid p,
.audience-cards p,
.launch-panel p,
.feature-list span,
.form-note {
  color: var(--muted);
}

.flow-dot {
  width: 18px;
  height: 18px;
  margin-bottom: auto;
  border-radius: 50%;
}

.flow-dot.red {
  background: var(--urgent);
}

.flow-dot.amber {
  background: var(--warning);
}

.flow-dot.green {
  background: var(--leaf);
}

.feature-stage {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.feature-list strong {
  letter-spacing: -0.02em;
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.screen-gallery figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow);
}

.screen-gallery img {
  width: 100%;
  aspect-ratio: 736 / 1592;
  object-fit: cover;
}

.screen-gallery figcaption {
  padding: 14px 18px 18px;
  color: #4e5350;
  font-size: 0.92rem;
  font-weight: 850;
}

.audience {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 42px;
  align-items: start;
}

.audience-cards article:nth-child(1) {
  border-top: 7px solid var(--blue);
}

.audience-cards article:nth-child(2) {
  border-top: 7px solid var(--leaf);
}

.audience-cards article:nth-child(3) {
  border-top: 7px solid var(--violet);
}

.app-launch {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(280px, 0.55fr);
  gap: 18px;
  align-items: stretch;
}

.launch-panel {
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(52, 168, 83, 0.12), transparent 34%),
    var(--ink);
  color: white;
}

.launch-panel .eyebrow,
.launch-panel p {
  color: rgba(255, 255, 255, 0.72);
}

.launch-panel h2 {
  color: white;
}

.signup {
  margin-top: 28px;
}

.signup input {
  min-width: min(100%, 330px);
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 0 18px;
  font: inherit;
  outline: none;
}

.signup input::placeholder {
  color: rgba(255, 255, 255, 0.56);
}

.signup input:focus-visible,
.button:focus-visible,
.signup button:focus-visible,
.nav-links a:focus-visible,
.nav-cta:focus-visible {
  outline: 3px solid rgba(245, 170, 37, 0.55);
  outline-offset: 3px;
}

.form-note {
  max-width: 620px;
  margin: 16px 0 0;
  font-size: 0.88rem;
}

.store-cards {
  grid-template-columns: 1fr;
}

.store-card {
  min-height: 0;
}

.store-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--leaf-dark);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.store-card strong {
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 1060px) {
  .hero,
  .feature-stage,
  .audience,
  .app-launch {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 13ch;
  }

  .phone-stack {
    min-height: 620px;
  }

  .phone-main {
    left: 2%;
  }

  .phone-back {
    right: 7%;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    justify-self: end;
  }

  .section {
    padding-inline: 18px;
  }

  h1 {
    font-size: clamp(4rem, 18vw, 5.7rem);
  }

  .proof-strip,
  .flow-grid,
  .audience-cards,
  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .phone-stack {
    min-height: 590px;
  }

  .phone {
    border-width: 7px;
    border-radius: 34px;
  }

  .phone img {
    width: 240px;
    height: 520px;
  }

  .phone-main {
    left: 0;
  }

  .phone-back {
    right: -16px;
    top: 70px;
  }

  .hero-note {
    right: 0;
    bottom: 0;
  }

  .feature-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .phone-stack {
    min-height: 500px;
  }

  .phone img {
    width: 210px;
    height: 455px;
  }

  .phone-back {
    opacity: 0.62;
  }

  .hero-note {
    max-width: 220px;
    font-size: 0.86rem;
  }

  .signup input,
  .signup button,
  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .phone-main {
    animation: float-main 6s ease-in-out infinite;
  }

  .phone-back {
    animation: float-back 7s ease-in-out infinite;
  }

  @keyframes float-main {
    0%,
    100% {
      transform: rotate(-3deg) translateY(0);
    }

    50% {
      transform: rotate(-2deg) translateY(-12px);
    }
  }

  @keyframes float-back {
    0%,
    100% {
      transform: rotate(5deg) scale(0.9) translateY(0);
    }

    50% {
      transform: rotate(4deg) scale(0.9) translateY(10px);
    }
  }
}

/* Launch list: the phone picker sits with the e-mail field and matches it. */
.signup select {
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 0 18px;
  font: inherit;
  outline: none;
}

.signup select option {
  color: #1a1a1a;
}

.signup select:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.7);
  outline-offset: 2px;
}

.signup button[disabled] {
  opacity: 0.6;
  cursor: progress;
}